[PATCH hurd 10/12] ftpfs: fix unused result warnings

[dnietoc]

From: Diego Nieto Cid <dnie...@gmail.com>

    ../../ftpfs/ftpfs.c: In function 'netfs_append_args':
    ../../ftpfs/ftpfs.c:352:11: warning: ignoring return value of 'asprintf' 
declared with attribute 'warn_unused_result' [-Wunused-result]
---
 ftpfs/ftpfs.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/ftpfs/ftpfs.c b/ftpfs/ftpfs.c
index ba77caed..9a360126 100644
--- a/ftpfs/ftpfs.c
+++ b/ftpfs/ftpfs.c
@@ -349,9 +349,14 @@ netfs_append_args (char **argz, size_t *argz_len)
       if (debug_stream != stderr)
        {
          char *rep;
-         asprintf (&rep, "--debug=%s", debug_stream_name);
-         err = argz_add (argz, argz_len, rep);
-         free (rep);
+         err = asprintf (&rep, "--debug=%s", debug_stream_name);
+         if (err != -1)
+           {
+             err = argz_add (argz, argz_len, rep);
+             free (rep);
+           }
+         else
+           err = ENOMEM;
        }
       else
        err = argz_add (argz, argz_len, "--debug");
-- 
2.51.0